Publications

Nitrogen in the Chesapeake Bay Watershed - A Century of Change, 1950–2050

National Award for Superior Communication Product

Domestic Well Water Quality in Marcellus Shale Region

Factors Affecting Groundwater Quality Used for Domestic Supply in Marcellus Shale Region of North-Central and North-East Pennsylvania

Geohydrologic and water-quality characterization of a fractured-bedrock test hole in an area of Marcellus Shale gas development, Sullivan County, Pennsylvania

Report at Pennsylvania Geological Survey

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January 1, 1999

Summary of hydrogeologic and ground-water-quality data and hydrogeologic framework at selected well sites, Adams County, Pennsylvania Summary of hydrogeologic and ground-water-quality data and hydrogeologic framework at selected well sites, Adams County, Pennsylvania

Rapid population growth in Adams County has increased the demand for ground water and led Adams County planning officials to undertake an effort to evaluate the capabilities of existing community water systems to meet future, projected growth and to begin wellhead-protection programs for public-supply wells. As part of this effort, this report summarizes ground-water data on a countywide...

Authors

Dennis J. Low, Diana L. Dugas

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Ground-water system, estimation of aquifer hydraulic properties, and effects of pumping on ground-water flow in Triassic sedimentary rocks in and near Lansdale, Pennsylvania Ground-water system, estimation of aquifer hydraulic properties, and effects of pumping on ground-water flow in Triassic sedimentary rocks in and near Lansdale, Pennsylvania

Ground water in Triassic-age sedimentary fractured-rock aquifers in the area of Lansdale, Pa., is used as drinking water and for industrial supply. In 1979, ground water in the Lansdale area was found to be contaminated with trichloroethylene, tetrachloroethylene, and other man-made organic compounds, and in 1989, the area was placed on the U.S. Environmental Protection Agency's (USEPA)...

Authors

Lisa A. Senior, Daniel J. Goode

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Occurrence of organochlorine compounds in whole fish tissue from streams of the lower Susquehanna River Basin, Pennsylvania and Maryland, 1992 Occurrence of organochlorine compounds in whole fish tissue from streams of the lower Susquehanna River Basin, Pennsylvania and Maryland, 1992

Tissue samples of whole body white sucker (Catostomus commersoni) were collected at 15 sites and smallmouth bass (Micropterus dolomieu) were collected at 5 sites during 1992 in the Lower Susquehanna River Basin to determine the occurrence and distribution of 28 selected organochlorine compounds as part of the U.S. Geological Survey’s National Water-Quality Assessment (NAWQA) Program...

Authors

Michael D. Bilger, Robin A. Brightbill, Harry L. Campbell

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Hydrologic effects of the Pymatuning earthquake of September 25, 1998, in northwestern Pennsylvania Hydrologic effects of the Pymatuning earthquake of September 25, 1998, in northwestern Pennsylvania

Within hours after the Pymatuning earthquake of September 25, 1998, in northwestern Pennsylvania, local residents reported wells becoming dry, wells beginning to flow, and the formation of new springs. About 120 household-supply wells reportedly went dry within 3 months after the earthquake. About 80 of these wells were on a ridge between Jamestown and Greenville, where water-level...

Authors

Gary M. Fleeger, Daniel J. Goode, Theodore F. Buckwalter, Dennis W. Risser

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Hydrogeologic framework and sampling design for an assessment of agricultural pesticides in ground water in Pennsylvania Hydrogeologic framework and sampling design for an assessment of agricultural pesticides in ground water in Pennsylvania

State agencies responsible for regulating pesticides are required by the U.S. Environmental Protection Agency to develop state management plans for specific pesticides. A key part of these management plans includes assessing the potential for contamination of ground water by pesticides throughout the state. As an example of how a statewide assessment could be implemented, a plan is...

Authors

Bruce D. Lindsey, Tammy M. Bickford

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Comparison of methods for computing streamflow statistics for Pennsylvania streams Comparison of methods for computing streamflow statistics for Pennsylvania streams

Methods for computing streamflow statistics intended for use on ungaged locations on Pennsylvania streams are presented and compared to frequency distributions of gaged streamflow data. The streamflow statistics used in the comparisons include the 7-day 10-year low flow, 50-year flood flow, and the 100-year flood flow; additional statistics are presented. Streamflow statistics for gaged...

Authors

Marla H. Ehlke, Lloyd A. Reed

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Influence of land use and open-water wetlands on water quality in the Lake Wallenpaupack basin, northeastern Pennsylvania Influence of land use and open-water wetlands on water quality in the Lake Wallenpaupack basin, northeastern Pennsylvania

The recreational value of Lake Wallenpaupack, along with its proximity to the New York and New Jersey metropolitan areas, has resulted in residential development in parts of the watershed. Some of these developments encroach on existing ponds, lakes, and wetlands and result in the conversion of forest land to residential areas. Sediment and nutrients in runoff from these residential...

Authors

James I. Sams, Rick L. Day, John M. Stiteler

Water Resources Mission Area, Pennsylvania Water Science Center

January 1, 1999

Case study for delineating a contributing area to a water-supply well in a fractured crystalline-bedrock aquifer, Stewartstown, Pennsylvania Case study for delineating a contributing area to a water-supply well in a fractured crystalline-bedrock aquifer, Stewartstown, Pennsylvania

The Trouts Lane well field in Stewartstown, Pa., was selected as a case study for delineating a contributing area in a fractured crystalline-bedrock aquifer. The study emphasized the importance of refining the understanding of boundary conditions and major heterogeneities that affect ground-water movement to the supply well by conducting (1) fracture-trace mapping, (2) borehole logging...

Authors

Gary J. Barton, Dennis W. Risser, Daniel G. Galeone, Randall W. Conger

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1998

Oxic limestone drains for treatment of dilute, acidic mine drainage Oxic limestone drains for treatment of dilute, acidic mine drainage

Limestone treatment systems can be effective for remediation of acidic mine drainage (AMD) that contains moderate concentrations of dissolved O2 , Fe3+ , or A13+ (1‐5 mg‐L‐1 ). Samples of water and limestone were collected periodically for 1 year at inflow, outflow, and intermediate points within underground, oxic limestone drains (OLDs) in Pennsylvania to evaluate the transport of...

Authors

Charles A. Cravotta

Water Resources Mission Area, Pennsylvania Water Science Center

December 31, 1998

Ground-water age and atmospheric tracers: Simulation studies and analysis of field data from the Mirror Lake site, New Hampshire Ground-water age and atmospheric tracers: Simulation studies and analysis of field data from the Mirror Lake site, New Hampshire

The use of environmental tracers in characterization of ground-water systems is investigated through mathematical modeling of ground-water age and atmospheric tracer transport, and by a field study at the Mirror Lake site, New Hampshire. Theory is presented for modeling ground-water age using the advective-dispersive transport equation. The transport equation includes a zero-order source...

Authors

Daniel J. Goode

Water Resources Mission Area, Toxic Substances Hydrology, New England Water Science Center, Pennsylvania Water Science Center

October 1, 1998

Geohydrology and ground-water quality of Warwick Township, Bucks County, Pennsylvania Geohydrology and ground-water quality of Warwick Township, Bucks County, Pennsylvania

No abstract available.

Authors

P.H. Bird

Pennsylvania Water Science Center

September 1, 1998

Evaluation of geophysical logs, phase I, for Crossley Farms Superfund Site, Berks County, Pennsylvania Evaluation of geophysical logs, phase I, for Crossley Farms Superfund Site, Berks County, Pennsylvania

Twenty-one wells were drilled at Crossley Farms Superfund Site between December 15, 1987, and May 1, 1988, to define and monitor the horizontal and vertical distribution of ground-water contamination emanating from a suspected contaminant source area (Blackhead Hill). Eight well clusters were drilled on or near the Crossley Site and three well clusters were drilled at locations...

Authors

Randall W. Conger

Water Resources Mission Area, Pennsylvania Water Science Center